Grill brush



FIG. 1 is a bottom perspective view of the novel grill brush;

FIG. 2 is a side elevational view of the novel grill brush;

FIG. 3 is a bottom plan view of the novel grill brush;

FIG. 4 is a front elevational view of the novel grill brush; and,

FIG. 5 is a rear elevational view of the novel grill brush.

The opposite side of FIG. 2 neither shown in the drawing nor described in the specification forms no part of the claimed design.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

An ornamental design for a grill brush, as shown and described. 